Sotorasib
Generic Name: sotorasib
Brand Names:
Lumakras
11 DESCRIPTION Sotorasib is an inhibitor of the RAS GTPase family. The molecular formula is C 30 H 30 F 2 N 6 O 3 , and the molecular weight is 560.6 g/mol. The chemical name of sotorasib is 6-fluoro-7-(2-fluoro-6-hydroxyphenyl)-(1M)-1-[4-methyl-2-(propan-2-yl)pyridin-3-yl]-4-[(2S)-2-methyl-4-(prop-2-enoyl)piperazin-1-yl]pyrido[2,3-d]pyrimidin-2(1H)-one. The chemical structure of sotorasib is shown below: Sotorasib has pKa values of 8.06 and 4.56.
Overview
11 DESCRIPTION Sotorasib is an inhibitor of the RAS GTPase family. The molecular formula is C 30 H 30 F 2 N 6 O 3 , and the molecular weight is 560.6 g/mol. The chemical name of sotorasib is 6-fluoro-7-(2-fluoro-6-hydroxyphenyl)-(1M)-1-[4-methyl-2-(propan-2-yl)pyridin-3-yl]-4-[(2S)-2-methyl-4-(prop-2-enoyl)piperazin-1-yl]pyrido[2,3-d]pyrimidin-2(1H)-one. The chemical structure of sotorasib is shown below: Sotorasib has pKa values of 8.06 and 4.56.
Uses
1 INDICATIONS AND USAGE LUMAKRAS is an inhibitor of the RAS GTPase family indicated for: KRAS G12C-mutated Locally Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC) As a single agent, for the treatment of adult patients with KRAS G12C-mutated locally advanced or metastatic NSCLC, as determined by an FDA-approved test, who have received at least one prior systemic therapy. ( 1.1 ) This indication is approved under accelerated approval based on overall response rate (ORR) and duration of response (DOR). Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial(s).
Dosage
2 DOSAGE AND ADMINISTRATION Recommended dosage as a single agent for NSCLC and in combination with panitumumab for mCRC: 960 mg orally once daily. ( 2.2 ) Swallow tablets whole with or without food. ( 2.2 ) 2.1 Patient Selection KRAS G12C-mutated Locally Advanced or Metastatic NSCLC Select patients for treatment of locally advanced or metastatic NSCLC with LUMAKRAS based on the presence of KRAS G12C mutation in tumor or plasma specimens. If no mutation is detected in a plasma specimen, test tumor tissue [see Clinical Studies (14.1) ]. KRAS G12C-mutated mCRC Select patients for treatment of mCRC based on the presence of KRAS G12C mutation in tumor specimens [see Clinical Studies (14.2) ].
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: Hepatotoxicity [see Warnings and Precautions (5.1) ] Interstitial Lung Disease (ILD)/Pneumonitis [see Warnings and Precautions (5.2) ] Single agent in NSCLC: The most common adverse reactions (≥ 20%) were diarrhea, musculoskeletal pain, nausea, fatigue, hepatotoxicity, and cough. The most common laboratory abnormalities (≥ 25%) were decreased lymphocytes, decreased hemoglobin, increased aspartate aminotransferase, increased alanine aminotransferase, decreased calcium, increased alkaline phosphatase, increased urine protein, and decreased sodium.
Interactions
7 DRUG INTERACTIONS Acid-Reducing Agents: Avoid coadministration with proton pump inhibitors (PPIs) and H 2 receptor antagonists. If an acid-reducing agent cannot be avoided, administer LUMAKRAS 4 hours before or 10 hours after a local antacid. ( 2.4 , 7.1 ) Strong CYP3A4 Inducers: Avoid coadministration with strong CYP3A4 inducers. ( 7.1 ) CYP3A4 Substrates: Avoid coadministration with CYP3A4 substrates for which minimal concentration changes may lead to therapeutic failures of the substrate. If coadministration cannot be avoided, adjust the substrate dosage in accordance to its Prescribing Information. ( 7.2 ) P-gp substrates: Avoid coadministration with P-gp substrates for which minimal concentration changes may lead to serious toxicities.
Warnings
5 WARNINGS AND PRECAUTIONS Hepatotoxicity: Monitor liver function tests every 3 weeks for the first 3 months of treatment then once monthly as clinically indicated. Consider administering systemic corticosteroids and withhold, reduce the dose, or permanently discontinue LUMAKRAS based on the severity. ( 2.3 , 5.1 ) Interstitial Lung Disease (ILD)/Pneumonitis: Monitor for new or worsening pulmonary symptoms. Immediately withhold LUMAKRAS for suspected ILD/pneumonitis and permanently discontinue if no other potential causes of ILD/pneumonitis are identified. ( 2.3 , 5.2 ) 5.1 Hepatotoxicity LUMAKRAS can cause hepatotoxicity and increased alanine aminotransferase (ALT) or increased aspartate aminotransferase (AST) which may lead to drug-induced liver injury and hepatitis. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary There are no available data on LUMAKRAS use in pregnant women. In rat and rabbit embryo-fetal development studies, oral sotorasib did not cause adverse developmental effects or embryo-lethality at exposures up to 4.6 times the human exposure at the 960 mg clinical dose (see Data ) . Refer to the Full Prescribing Information of panitumumab for pregnancy risk information and contraception recommendations when LUMAKRAS is administered in combination with panitumumab. In the U.S.
Storage
Storage and Handling Store at 20°C to 25°C (68°F to 77°F). Excursions permitted from 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature] .
Frequently Asked Questions
What is Sotorasib used for?▼
1 INDICATIONS AND USAGE LUMAKRAS is an inhibitor of the RAS GTPase family indicated for: KRAS G12C-mutated Locally Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC) As a single agent, for the treatment of adult patients with KRAS G12C-mutated locally advanced or metastatic NSCLC, as determined by an FDA-approved test, who have received at least one prior systemic therapy. ( 1.1 ) This indication is approved under accelerated approval based on overall response rate (ORR) and duration of response (DOR). Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial(s).
What are the side effects of Sotorasib?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: Hepatotoxicity [see Warnings and Precautions (5.1) ] Interstitial Lung Disease (ILD)/Pneumonitis [see Warnings and Precautions (5.2) ] Single agent in NSCLC: The most common adverse reactions (≥ 20%) were diarrhea, musculoskeletal pain, nausea, fatigue, hepatotoxicity, and cough. The most common laboratory abnormalities (≥ 25%) were decreased lymphocytes, decreased hemoglobin, increased aspartate aminotransferase, increased alanine aminotransferase, decreased calcium, increased alkaline phosphatase, increased urine protein, and decreased sodium.
Can I take Sotorasib during pregnancy?▼
8.1 Pregnancy Risk Summary There are no available data on LUMAKRAS use in pregnant women. In rat and rabbit embryo-fetal development studies, oral sotorasib did not cause adverse developmental effects or embryo-lethality at exposures up to 4.6 times the human exposure at the 960 mg clinical dose (see Data ) . Refer to the Full Prescribing Information of panitumumab for pregnancy risk information and contraception recommendations when LUMAKRAS is administered in combination with panitumumab. In the U.S.
What are the important warnings for Sotorasib?▼
5 WARNINGS AND PRECAUTIONS Hepatotoxicity: Monitor liver function tests every 3 weeks for the first 3 months of treatment then once monthly as clinically indicated. Consider administering systemic corticosteroids and withhold, reduce the dose, or permanently discontinue LUMAKRAS based on the severity. ( 2.3 , 5.1 ) Interstitial Lung Disease (ILD)/Pneumonitis: Monitor for new or worsening pulmonary symptoms. Immediately withhold LUMAKRAS for suspected ILD/pneumonitis and permanently discontinue if no other potential causes of ILD/pneumonitis are identified. ( 2.3 , 5.2 ) 5.1 Hepatotoxicity LUMAKRAS can cause hepatotoxicity and increased alanine aminotransferase (ALT) or increased aspartate aminotransferase (AST) which may lead to drug-induced liver injury and hepatitis. 4 CONTRAINDICATIONS None. None. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.